Background
He was the second child but only son of Wenceslaus III Adam, Duke of Cieszyn, by his first wife Maria, daughter of January of Pernštejn.
He was the second child but only son of Wenceslaus III Adam, Duke of Cieszyn, by his first wife Maria, daughter of January of Pernštejn.
Little is known about Frederick Casimir"s first years. In 1560 he received from his father the towns of Fryštát and SkoczóWest Five years later, in 1565, Duke Wenceslaus III Adam also give to him Bielsko.
During almost all of his life, Frederick Casimir was the sole heir of the Duchy of Teschen (Cieszyn).
The premature death of his new half-brother within eleven months placed Frederick Casimir again as the only heir of Cieszyn. Although he did not have a high income, Frederick Casimir ran a sumptuous lifestyle, as in a short period he led his lands on bankruptcy.
The total amount of his debts, after a revision of a special Imperial Committee was the astronomical sum of 244,000 talers. After his death, his father was forced to sell his lands in order to pay his debts.
In 1592, Frederick Casimir half-brother and next Duke of Cieszyn, Adam Wenceslaus (born in 1574, long before Frederick Casimir"s death) managed to recover only SkoczóWest
Fryštát and Bielsko remained as a part of the magnate Member State.
